我国是多民族的国家,各民族之间相互交往、相互融合,共同促进了统一多民族国家的发展;少数民族对中华民族历史的形成和发展做出了重大贡献。本专题包括中国历史上各少数民族兴起、发展及衰落的历史;各少数民族与中央政府之间的关系;民族迁移的原因、趋势等。同学们在复习民族关 China is a multi-ethnic country. All ethnic groups interact with each other and integrate with each other to jointly promote the development of a unified multi-ethnic country. Ethnic minorities have made significant contributions to the formation and development of the history of the Chinese nation. This topic includes the history of the rise, development and decline of ethnic minorities in Chinese history; the relationship between ethnic minorities and the Central Government; the causes and trends of ethnic migration. The students are reviewing the national customs